Smith



(No Model.) I 5 N. 0. GOLDSMITH.

. SWITCH STAND. No. 548,535. Patented Oct. 22,1895.

ARMED! [GRAHAMJHOTO-UTNQWASKINGTONJL UNTTED STATES i PATENT Qrricn.

NATHANIEL O. GOLDSMITH, OF CINCINNATI, OHIO, ASSIGNOR TO THE WEIR FROGCOMPANY, OF SAME PLACE.

SWITCH-STAND.

SPECIFICATION forming part of Letters Patent No. 548,535, dated October22, 1895. llpplication filed August 12, 1895. Serial No. 559,052. (Nomodel.) A

To wlZ whom it may conceiva- Be it known that I, NATHANIEL 0. GOLD-SMITH, residing at Cincinnati, in the county of Hamilton and State ofOhio, have invented certain new and useful Improvements inSwitch-Stands, of which the following is a specification.

The object of my invention is to provide a strong durable switch-stand,which is easy to put together and can be readily taken apart forrepairs.

' The features of my invention will be more fully set forth in thedescription of the accompanying drawings, making a part of this I 5specification, in which- Figure 1 is an end elevation of myimprovement.Fig. 2 is a section on line ac m, Fig. 1. Fig. 3 is a section on line cc, Fig. 2. Fig. 4 is a plan view of one of the gears. Fig. 5 is a planview of the crank-shaft gear.

A A represent the ties on which the base of the switch-stand is mounted.The switchstand case is made in two sections a b, which are bisected onthe axial line of the operatingshaft and crank-shaft. The bearing forthe lever-shaft B is made in the flange 0, which is formed integral withthe base of the case. The top of the casing is provided with a cap forsaid bearing, and the bolts which secure the cap to the bearing likewiseassist in coupling together the sections of the case.

0 represents the crank-shaft, which is supported in journal-bearings (1,formed of lugs cast integral with the base of the case. 6 rep:

5 resents the caps for said bearing.

f f represent fastening bolts passing through ears in the top section ofthe case and tapping into lugs g, formed integral with the lower sectionof the case. These lugs have side extensions, which rest upon the ties AA, to which they are secured by the spikes h.

D represents a gear rigidly secured to shaft 13 and preferably castintegral therewith.

E represents a crank-arm secured to the 5 crank-shaft B and providedwith two segmental gears F G.

GearD is of one-half the radius of gear F with which it meshes.Consequently when the lever H is turned one-half of a revolution thecrank-shaft B is driven one-quarter of a revolution, which is therequired distance for throwing the switch. Gear G meshes with gear I,which is mounted upon the bottom of the target-shaft K. As the radii ofthese two gears are the same, the target-shaft is moved 5 5 one-quarterof a revolution, which is the required distance for moving the target tothe full throw of the switch-bar.

L represents an arm, one end of which is connected to the switch-bar andthe other end of which journals upon the crank-pin m of the crank-arm E.The switch-bar is not shown, as its construction and operation are wellknown.

Several important advantages are obtained by the construction of theswitch and target operating mechanism and mounting them in the case, ashere shown. First, the crank-shaft is rigidly supported in the base ofthe case and close to the line of support thereof on the ties. Second,the construction of the case. furnishes a rigid support for ahorizontallymoving crank-shaft, which allows the arm L to be pivotedthereto and stand in a vertical position. The connecting-rod (not shown)will of course occupy the'satne position and rise and lower in theoperation of throwing the switch instead of moving in a horizontalplane. Again, by bisecting the case on the axial line of the lever andcrank-shaft the So switch-stand is readily taken apart, as the boltswhich connect the case together secure the caps to the journal-bearing,so that the case can be taken apart without removing the target from itsshaft, and said target-is removable with the top part of the casing,leaving the crankshaft and lever-shaft in position with their gearconnections. By this construction the case can be taken apart withoutdisturbing the connection of the target with the target-shaft or thecrank with its shaft. I believe I am the first to accomplish this resultwith a ground-throw switch.

I claim 1. Aswitch stand composed of two sections 5 and bisected on theaxial line of the crank shaft and lever shaft which are journaled in thebase of the case, substantially as specified.

2. A switch stand composed of two sections and bisected on the axialline of the crank 10o shaft and lever shaft which are journaled in thebase of the case, and the target shaft journaled in the top section,substantially as switch stand the crank shaft 0, the crank armspecified. E, provided with gears F, G, the lever shaft 3. In asectional switch stand the combina- B and gear D meshing with gear F,and the 15 tion of the lever shaft B and crank shaft 0 top case and itscontained target shaft and 5 journaled in one section of the case, thecrank gear, substantially as specified.

arm E provided with gears F, G, formed upon In testimony whereof I havehereunto set the crank arm, a target shaft jonrnaled in the my hand.

top section and provided with gear I meshing with gear G and the drivinggear D on the le- NATHANIEL GOLDSMITH IO ver shaft meshing with gear Fon the crank Witnesses:

shaft, substantially as specified. WV. R. WOOD,

4. In combination with the base a of a OLIVER B. KAISER.

